4IZW

The E41L mutant of the amidase from Nesterenkonia sp. AN1 showing covalent addition of the acetamide moiety of fluoroacetamide at the active site cysteine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1 M HEPES sodium, 2% PEG 400, 2.0 M ammonium sulfate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.626	α = 90
b = 114.382	β = 90
c = 64.767	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD			2010-07-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.9184	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.6	42.87	94	0.076	7.9	2.61		35169

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.66	96.9		0.335	3	2.59	3587

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	42.87	35166	1765	93.97	0.1845	0.183	0.213	RANDOM	19.9973

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.15			0.01		-0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.218
r_dihedral_angle_4_deg	21.8
r_dihedral_angle_3_deg	13.095
r_scangle_it	6.555
r_dihedral_angle_1_deg	6.203
r_scbond_it	4.006
r_angle_refined_deg	2.569
r_mcangle_it	2.566
r_mcbond_it	1.629
r_chiral_restr	0.235

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.218
r_dihedral_angle_4_deg	21.8
r_dihedral_angle_3_deg	13.095
r_scangle_it	6.555
r_dihedral_angle_1_deg	6.203
r_scbond_it	4.006
r_angle_refined_deg	2.569
r_mcangle_it	2.566
r_mcbond_it	1.629
r_chiral_restr	0.235
r_bond_refined_d	0.036
r_gen_planes_refined	0.016

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1961
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	19

Software

Software
Software Name	Purpose
d*TREK	data scaling
d*TREK	data reduction
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.